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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is an icy winter month in South Plainfield, New Jersey, with temperature in the range of an average low of 23.9°F (-4.5°C) and an average high of 36°F (2.2°C). In South Plainfield, the lowest temperatures are generally noted in January, averaging a high of 36°F (2.2°C) and a low of 23.9°F (-4.5°C). Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in South Plainfield, New Jersey, with an average temperature fluctuating between 25.7°F (-3.5°C) and 39.2°F (4°C). The onset of February manifests an average high-temperature of a still wintry 39.2°F (4°C), demonstrating a minor variation from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in South Plainfield, is a chilly month, with an average temperature ranging between max 47.3°F (8.5°C) and min 32.9°F (0.5°C). The arrival of March brings a soft temperature shift, with the average high-temperature nudging from a wintry 39.2°F (4°C) in February to a chilly 47.3°F (8.5°C). Weather in March »
Weather in April
April in South Plainfield, New Jersey, is a moderate spring month, with an average temperature varying between 43.3°F (6.3°C) and 59°F (15°C). With the onset of April, South Plainfield's average high-temperature experiences a rise, moving from March's chilly 47.3°F (8.5°C) to a refreshing 59°F (15°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in South Plainfield, New Jersey, with an average temperature varying between 69.3°F (20.7°C) and 52.9°F (11.6°C). May indicates a change in the average high-temperature, moving up from a refreshing 59°F (15°C) in April to a pleasant 69.3°F (20.7°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in South Plainfield, New Jersey, with an average temperature ranging between min 60.6°F (15.9°C) and max 77.5°F (25.3°C). South Plainfield's transition into June is noticed by a slight rise in the average high-temperature, advancing from a pleasant 69.3°F (20.7°C) in May to a moderately hot 77.5°F (25.3°C). Weather in June »
Weather in July
July, like June, in South Plainfield, New Jersey, is another warm summer month, with temperature in the range of an average high of 84.2°F (29°C) and an average low of 67.5°F (19.7°C). July brings the highest temperatures, with an average high of 84.2°F (29°C) and an average low of 67.5°F (19.7°C). July's average heat index is evaluated at a hot 91.4°F (33°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in South Plainfield, New Jersey, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 66.2°F (19°C). The arrival of August brings an average high-temperature of a still warm 82°F (27.8°C), nearly identical to July's 84.2°F (29°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in South Plainfield, New Jersey, with an average temperature varying between 75.4°F (24.1°C) and 59.4°F (15.2°C). A minor decrease in the average high-temperature is observed during September, shifting from 82°F (27.8°C) in August to a still warm 75.4°F (24.1°C). Weather in September »
Weather in October
October, like September, in South Plainfield, New Jersey, is another refreshing autumn month, with an average temperature ranging between max 63.1°F (17.3°C) and min 49.1°F (9.5°C). With October's arrival, South Plainfield's weather changes as the average high-temperature falls from a warm 75.4°F (24.1°C) in September to a refreshing 63.1°F (17.3°C). Weather in October »
Weather in November
November, the last month of the autumn in South Plainfield, is also a fresh month, with an average temperature varying between 51.1°F (10.6°C) and 38.1°F (3.4°C). As October shifts into November, a slight alteration in temperatures is observed, with average highs reducing from a comfortable 63.1°F (17.3°C) to a fresh 51.1°F (10.6°C). Weather in November »
Weather in December
December, the first month of the winter in South Plainfield, is still a cold month, with temperature in the range of an average high of 42.3°F (5.7°C) and an average low of 31.1°F (-0.5°C). December's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a fresh 51.1°F (10.6°C) in November to a wintry 42.3°F (5.7°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in South Plainfield?
The coldest time of the year is January, with temperatures averaging a high of 36°F (2.2°C) and a low of 23.9°F (-4.5°C).
How many days does it rain in South Plainfield?
Throughout the year, there are 160.7 rainfall days, and 30.12" (765mm) of precipitation is accumulated.
When does it snow in South Plainfield?
Months with snowfall are January through May, October through December.
How many days does it snow in South Plainfield?
Throughout the year, there are 25.4 snowfall days, and 10.31" (262mm) of snow is accumulated.
What are the months with the lowest UV index in South Plainfield?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in South Plainfield.
What is the most humid month in South Plainfield?
February, October and December, with an average relative humidity of 78%, are most humid months in South Plainfield, New Jersey.
What is the month with the least sunshine in South Plainfield?
February has the least sunshine of the year in South Plainfield, with an average of 4.6h of sunshine.
What is the snowiest month in South Plainfield?
March is the month with the most snowfall in South Plainfield, New Jersey. Snow falls for 5 days and accumulates 3.23" (82mm) of snow.
When is Daylight Saving Time (DST) in South Plainfield?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month in South Plainfield?
April and August, with an average relative humidity of 73%, are the least humid months.
When it does not snow in South Plainfield?
In South Plainfield, New Jersey, snow does not fall in June through September.
When are the longest days in South Plainfield?
The month with the longest days is June, with an average of 15h and 0min of daylight.
What is the month with the highest UV index in South Plainfield?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What is the warmest month in South Plainfield?
In South Plainfield, July is the month with the highest recorded average temperatures, measuring a high of 84.2°F (29°C) and a low of 67.5°F (19.7°C).
What month has the most sunshine in South Plainfield?
With an average of 10.5h of sunshine, July has the most sunshine of the year in South Plainfield, New Jersey.
What is the driest month in South Plainfield?
The month with the least rainfall is September, when the rain falls for 12.9 days and typically collects 1.69" (43mm) of precipitation.
What is the wettest month in South Plainfield?
The month with the most rainfall is December, when the rain falls for 11.5 days and typically aggregates up to 3.19" (81mm) of precipitation.
What is the month with the shortest days in South Plainfield?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
South Plainfield, NJ
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36°F).
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure
South Plainfield, NJ
- Average pressure in January:
30.07"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
South Plainfield, NJ
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.7mph - Average wind speed in March:
8.9mph - Average wind speed in April:
8.5mph - Average wind speed in May:
7mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.8mph - Average wind speed in December:
8.1mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity
South Plainfield, NJ
The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April and August (73%).
Average rainfall
South Plainfield, NJ
- Average rainfall in January:
1.97" - Average rainfall in February:
2.24" - Average rainfall in March:
2.64" - Average rainfall in April:
2.36" - Average rainfall in May:
2.8" - Average rainfall in June:
2.4"
- Average rainfall in July:
3.03" - Average rainfall in August:
2.6" - Average rainfall in September:
1.69" - Average rainfall in October:
2.83" - Average rainfall in November:
2.36" - Average rainfall in December:
3.19"
The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days
South Plainfield, NJ
- Average rainfall days in January:
9.5 days - Average rainfall days in February:
10.5 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
15.6 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
13.4 days - Average rainfall days in November:
10 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (9.5 days).
Average snowfall
South Plainfield, NJ
- Average snowfall in January:
2.09" - Average snowfall in February:
2.87" - Average snowfall in March:
3.23" - Average snowfall in April:
0.2" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
South Plainfield, NJ
- Average snowfall days in January:
7.3 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
5 days - Average snowfall days in April:
0.6 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.9 days - Average snowfall days in December:
4.1 days
The months with the highest number of snowfall days are January and February (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
South Plainfield, NJ
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
South Plainfield, NJ
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
13.7 days - Average sunshine days in March:
14 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
12.6 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
18.4 days - Average sunshine days in December:
15.8 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (11.4 days).
Average UV index
South Plainfield, NJ
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
South Plainfield, NJ
The months with the most cloud cover are February, March and December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility
South Plainfield, NJ
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
South Plainfield, New Jersey, USA
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